Genetics:Heredity Exam Review

Front

What is the probability of having red offspring when crossing two heterozygous red flowers (RR/Rr)?

Back

75% red

Front

What is the probability of having yellow offspring when crossing two heterozygous red flowers (RR/Rr)?

Back

25% yellow

Front

What is the genotype for purebred white flowers when purple flowers are dominant?

Back

ff

Front

What holds your genetic material in the nucleus of all your cells?

Back

Chromosomes

Front

What type of allele shows its effect whenever it is present?

Back

Dominant

Front

What type of allele only shows its effect when two copies are present?

Back

Recessive

Front

In a Punnett square, what does each box represent?

Back

Possible genotypes of offspring.

Front

What is the genotype for a heterozygous tall plant?

Back

Tt

Front

If a tall plant (Tt) is crossed with a short plant (tt), what is the probability of getting a short plant?

Back

50% short

Front

What is the term for the physical appearance of an organism?

Back

Phenotype